Why aren't my PIN numbers appearing?

I had just restarted my lumina phone and when I wanted to unlock my phone, literally like the pin numbers didn't even appear! Like all the numbers. I can't even unlock my phone and it's already been a day. And my phone keeps restarting by its own.

I had just restarted my lumina phone and when I wanted to unlock my phone, literally like the pin numbers didn't even appear! Like all the numbers. I can't even unlock my phone and it's already been a day. And my phone keeps restarting by its own.

did you install the latest fast ring update? 14926? It's a serious bug with that build - only way to resolve is a hard reset if the soft reset didn't work

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